These police officers were members of extremist groups on Facebook - Reveal

EXPLAINER: A look at far-right extremists in Jan. 6 riot

Extremist cops: how US law enforcement is failing to police itself, US policing

These police officers were members of extremist groups on Facebook

Brazilian reasons to be proud. : r/memes, memes jogo do brasil

After Capitol riot, police chiefs work to root out officers with ties to extremist groups - The Washington Post

Facebook Hosted Surge of Misinformation and Insurrection Threats in Months Leading Up to Jan. 6 Attack, Records Show — ProPublica

Los Angeles police accidentally release photos of undercover officers to watchdog website - Los Angeles Times

Police officers tied to extremist Oath Keepers in New York, Los Angeles, Chicago : NPR

Roblox army groups in a nutshell : r/memes, meme roblox

The Story Behind Bill Barr's Unmarked Federal Agents - POLITICO

Right-wing extremists amp up anti-LGBTQ rhetoric online

Extremism in American Law Enforcement: Far Greater Transparency, Accountability Needed

Not Just Cops: Culture Industry Must End Anti-Black Content

Social Media and Political Extremism